Measurements:
°C
°F
CURRENT WEATHER
16:48
New Castle
110°F
E 6 mph
Feels like: 116°F
Precip: 0%
World Resorts USA New Castle Weather

14 Day Weather Forecast

07.15
wed
DAY
104°F
E 11 mph
precip
1%
NIGHT
88°F
S 6 mph
precip
2%
07.16
thu
DAY
96°F
E 8 mph
precip
1%
NIGHT
78°F
S 4 mph
precip
2%
07.17
fri
DAY
90°F
SE 5 mph
precip
3%
NIGHT
76°F
N 5 mph
precip
6%
07.18
sat
DAY
70°F
NW 4 mph
precip
78%
NIGHT
74°F
NE 7 mph
precip
51%
07.19
sun
DAY
86°F
SE 14 mph
precip
8%
NIGHT
70°F
S 7 mph
precip
4%
07.20
mon
DAY
84°F
N 4 mph
precip
1%
NIGHT
74°F
N 7 mph
precip
13%
07.21
tue
DAY
82°F
NE 9 mph
precip
36%
NIGHT
66°F
S 11 mph
precip
4%
07.22
wed
DAY
78°F
NW 7 mph
precip
1%
NIGHT
68°F
N 1 mph
precip
5%
07.23
thu
DAY
84°F
NW 5 mph
precip
1%
NIGHT
66°F
NW 5 mph
precip
9%
07.24
fri
DAY
84°F
N 9 mph
precip
2%
NIGHT
72°F
N 9 mph
precip
55%
07.25
sat
DAY
82°F
SE 11 mph
precip
21%
NIGHT
66°F
S 9 mph
precip
3%
07.26
sun
DAY
76°F
SE 10 mph
precip
1%
NIGHT
68°F
NE 5 mph
precip
4%
07.27
mon
DAY
82°F
SE 2 mph
precip
1%
NIGHT
68°F
NE 6 mph
precip
6%
07.28
tue
DAY
74°F
N 5 mph
precip
10%
NIGHT
68°F
N 4 mph
precip
11%

New Castle Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for New Castle was 83.1°F. The maximum and minimum values were 79.0°F and 85.6°F respectively.

New Castle on the Weather Map

Best Time to Visit New Castle
The most sunny months:
November 17 days
October 16 days
June 15 days
The most warm months:
July 89.5 °F
August 86.0 °F
June 83.9 °F
Warmest sea temperature:
July 84.2 °F
August 83.3 °F
September 77.2 °F
The most cold months:
January 37.3 °F
February 40.7 °F
December 42.3 °F
The most rainy months:
July 3 days
August 3 days
June 2 days
The most windy months:
March 9 mph
April 9 mph
January 8 mph
more details
USA Resorts:
NAME
F°
Boston +96
Chicago +86
Hawaii +82
Houston +80
Las Vegas +118
Los Angeles +100
Maui +78
Miami +96
Myrtle Beach +90
New York +104
San Diego +94
San Francisco +82
Santa Monica +82
Sarasota +96
Tampa +98
all resorts
24 Hours Weather Forecast
New Castle
Local time: 16:48
15 jul, wednesday
1800 110°F
E
6 mph
2100 96°F
E
7 mph
16 jul, thursday
0000 88°F
S
6 mph
0300 80°F
S
4 mph
0600 76°F
SE
2 mph
0900 86°F
E
3 mph
1200 96°F
E
8 mph
1500 100°F
E
11 mph